December weather forecastHannah, ND
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Hannah, North Dakota, with temperature in the range of an average high of 16.5°F (-8.6°C) and an average low of 5.9°F (-14.5°C).Temperature
December's arrival signals a significant decrease in average high-temperatures, falling from November's icy 32.7°F (0.4°C) to a subzero cold 16.5°F (-8.6°C). Hannah experiences an average low-temperature reading of 5.9°F (-14.5°C) throughout December.Humidity
In December, the average relative humidity is 91%.Rainfall
In Hannah, during December, the rain falls for 2.8 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Hannah, there are 105.9 rainfall days, and 16.69" (424mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hannah are January through May, October through December. The month with the most snowfall is December, when snow falls for 16.8 days and typically aggregates up to 4.09" (104mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 8:08 am and sunset at 4:39 pm. On the last day of December, in Hannah, North Dakota, sunrise is at 8:28 am and sunset at 4:47 pm CST.
Sunshine
In Hannah, the average sunshine in December is 3.4h.UV index
The months with the lowest UV index in Hannah, North Dakota, are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hannah, ND
- Average high temperature in December: 16.5°F
The warmest month (with the highest average high temperature) is August (78.3°F).
The month with the lowest average high temperature is January (13.5°F).
- Average low temperature in December: 5.9°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure in December
Hannah, ND
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Hannah, ND
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is October (11.2mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in December
Hannah, ND
- Average humidity in December: 91%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Hannah, ND
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is June (2.99").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in December
Hannah, ND
- Average rainfall days in December: 2.8 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Hannah, ND
- Average snowfall in December: 4.09"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hannah, ND
- Average snowfall days in December: 16.8 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Hannah, ND
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Hannah, ND
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is August (20.1 days).
The month with the least sunshine days is June (8.7 days).
Average UV index in December
Hannah, ND
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Hannah, ND
- Average cloud cover in December: 66
The months with the most cloud cover are January and February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Hannah, ND
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





